a) From the prescribed handbook, formulate a formal definition of user experience (UX). Then, using https://scholar.google.co.za, source 2 journal articles or conference papers and provide two alternative definitions of UX as they are used in these articles. At the end of each alternative definition, provide the full bibliographic details of the article/paper you have cited. Make use of the HARVARD notation (see below). If available, provide the download link of the article/paper. Failure to provide the full reference will disqualify your answer (it equates to plagiarism if you do not). The reference for a conference paper must be in the following format: van der Merwe, T.M. and van Heerden, M.E. (2013). Ease of Use and Usefulness of Webinars in an Open Distance Learning Environment: An Activity Theory Perspective. Annual Conference of the South African Institute for Computer Scientists and Information Technologists (SAICSIT 2013). East London. 262270. Downloaded on dd/mm/yy from http://xxxxxx.xxx The reference for a journal paper must be in the following format: van der Merwe, T.M., van der Merwe, A.J. and Venter, LM. (2010). A Model to Direct Online Continuous Professional Development Opportunities for Mathematics Teachers in the South African Context of Disparities. African Journal of Research in SMT Education. (14) 3, 65-80. Downloaded on 11/08/2015 from http://xxxxxx.xxx 33=9marks